Name
TOURMALINE SCHORL
Variety
SCHORL
Origin
Ratnapura (Sri lanka)
Hardness
7-7,5
Composition
NaFe
++3
Al
6
(BO
3
)
3
Si
6
O
18
(OH)
4
Crystaline sys.
TRIGONAL
Size
2,2x1,8x1,8 cm
Weight
12,2 g
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TOURMALINE SCHORL
VARIETY SCHORL